Printing machine



FIG. 1 is a perspective view of a printing machine in accordance with the present invention;

FIG. 2 is a front view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines in the drawings depict environmental subject matter, are for illustrative purposes only and form no part of the claimed design. 

CLAIM The ornamental design for a printing machine, as shown and described. 